Mulan C1 Grammar Challenge

Which sentence contains a correct defining relative clause?

• The sword, which Mulan wields, is a family heirloom.
• The sword who Mulan wields is a family heirloom.
• The sword that Mulan wields is a family heirloom.
• The sword Mulan wields, is a family heirloom.

Explanation

In a defining relative clause, “that Mulan wields” identifies which sword we mean, so “that” is correct, and no commas are needed.